:root{--primary:#ff2442;--primary-dark:#e01f3d;--primary-light:#ff6b7a;--bg-primary:#0d0d0d;--bg-secondary:#161616;--bg-card:#1a1a1a;--bg-input:#222;--text-primary:#fff;--text-secondary:#a0a0a0;--text-muted:#666;--border-color:#2a2a2a;--success:#10b981;--error:#ef4444;--shadow:0 4px 24px rgba(0,0,0,.4);--shadow-lg:0 8px 40px rgba(0,0,0,.5);--radius:12px;--radius-lg:16px;--transition:all 0.3s cubic-bezier(0.4,0,0.2,1)}*,:after,:before{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{font-family:Noto Sans SC,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}.app,body{min-height:100vh}.app{display:flex;flex-direction:column}.header{text-align:center;padding:48px 24px 32px;background:linear-gradient(180deg,rgba(255,36,66,.08),transparent)}.logo{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:12px}.logo-icon{width:40px;height:40px}.logo-text{font-size:1.75rem;font-weight:700;background:linear-gradient(135deg,var(--primary) 0,var(--primary-light) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.tagline{color:var(--text-secondary);font-size:1rem}.main{flex:1 1;max-width:1200px;width:100%;margin:0 auto;padding:0 24px 48px}.hero{margin-bottom:40px}.input-wrapper{display:flex;gap:12px;max-width:720px;margin:0 auto 16px}.input-container{flex:1 1;position:relative}.url-input{width:100%;height:56px;padding:0 48px 0 20px;background:var(--bg-input);border:2px solid var(--border-color);border-radius:var(--radius);color:var(--text-primary);font-size:1rem;transition:var(--transition)}.url-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,36,66,.15)}.url-input::placeholder{color:var(--text-muted)}.clear-btn{position:absolute;right:12px;top:50%;transform:translateY(-50%);width:28px;height:28px;padding:4px;background:var(--bg-card);border:none;border-radius:6px;color:var(--text-secondary);cursor:pointer;transition:var(--transition)}.clear-btn:hover{background:var(--border-color);color:var(--text-primary)}.clear-btn svg{width:100%;height:100%}.extract-btn{height:56px;padding:0 32px;background:linear-gradient(135deg,var(--primary) 0,var(--primary-dark) 100%);border:none;border-radius:var(--radius);color:#fff;font-size:1rem;font-weight:600;cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap}.extract-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 24px rgba(255,36,66,.4)}.extract-btn:active:not(:disabled){transform:translateY(0)}.extract-btn:disabled{opacity:.7;cursor:not-allowed}.btn-loading{display:flex;align-items:center;gap:8px}.spinner{width:20px;height:20px;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.hint{text-align:center;color:var(--text-muted);font-size:.875rem}.error-message{display:flex;align-items:center;justify-content:center;gap:8px;padding:16px 24px;background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);border-radius:var(--radius);color:var(--error);max-width:720px;margin:0 auto 24px}.error-message svg{width:20px;height:20px;flex-shrink:0}.result-section{animation:fadeIn .4s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.result-title-row{display:flex;align-items:center;gap:12px;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--border-color)}.note-title{font-size:1.5rem;font-weight:600;flex:1 1;word-break:break-word}.copy-btn{display:flex;align-items:center;gap:6px;padding:8px 12px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:8px;color:var(--text-secondary);font-size:.875rem;cursor:pointer;transition:var(--transition);white-space:nowrap}.copy-btn:hover{background:var(--bg-input);color:var(--primary);border-color:var(--primary)}.copy-btn svg{width:16px;height:16px}.result-title-row .copy-btn{padding:8px}.result-title-row .copy-btn svg{width:20px;height:20px}.result-content{display:flex;flex-direction:column;gap:24px}.content-card,.images-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:20px}.close-compare-btn{width:32px;height:32px;padding:6px;background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);border-radius:6px;color:var(--error);cursor:pointer;transition:var(--transition)}.close-compare-btn:hover{background:rgba(239,68,68,.2)}.close-compare-btn svg{width:100%;height:100%}.content-single-view{position:relative}.content-header-row{position:absolute;top:8px;right:8px;z-index:1}.content-compare-view{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px}@media (max-width:768px){.content-compare-view{grid-template-columns:1fr}}.compare-column{background:var(--bg-input);padding:12px}.compare-column.original{opacity:.7}.compare-column.new{background:linear-gradient(135deg,rgba(139,92,246,.1) 0,var(--bg-input) 100%);border:1px solid rgba(139,92,246,.3)}.compare-label{display:flex;align-items:center;justify-content:space-between;font-size:.85rem;font-weight:600;color:var(--text-muted);margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid var(--border-color)}.compare-column.new .compare-label{color:#a78bfa;border-color:rgba(139,92,246,.3)}.compare-field-label{font-size:.75rem;font-weight:500;color:var(--text-muted);margin-bottom:4px;text-transform:uppercase;letter-spacing:.5px}.compare-title{font-size:1rem;font-weight:600;color:var(--text-primary);line-height:1.4}.compare-title.new-title{color:#a78bfa}.compare-text-area{white-space:pre-wrap;word-break:break-word;font-size:.875rem;line-height:1.7;color:var(--text-primary);max-height:250px;overflow-y:auto}.compare-text-area::-webkit-scrollbar{width:4px}.compare-text-area::-webkit-scrollbar-track{background:transparent}.compare-text-area::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:2px}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.card-header h3{font-size:1rem;font-weight:600;color:var(--text-secondary)}.image-count{font-weight:400;color:var(--text-muted)}.note-content{background:var(--bg-input);border-radius:var(--radius);padding:16px;min-height:200px;max-height:400px;overflow-y:auto;white-space:pre-wrap;word-break:break-word;font-size:.9375rem;line-height:1.8;color:var(--text-primary)}.note-content::-webkit-scrollbar{width:6px}.note-content::-webkit-scrollbar-track{background:transparent}.note-content::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}.note-content::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.image-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));grid-gap:12px;gap:12px}.image-item{position:relative;aspect-ratio:1;border-radius:var(--radius);overflow:hidden;background:var(--bg-input)}.image-item img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}.image-item:hover img{transform:scale(1.05)}.image-overlay{position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.8) 0,transparent 50%);opacity:0;transition:var(--transition);display:flex;align-items:flex-end;justify-content:center;padding:12px}.image-item:hover .image-overlay{opacity:1}.download-btn{display:flex;align-items:center;gap:4px;padding:8px 12px;background:var(--primary);border:none;border-radius:6px;color:#fff;font-size:.75rem;font-weight:500;cursor:pointer;transition:var(--transition)}.download-btn:hover{background:var(--primary-dark)}.download-btn svg{width:14px;height:14px}.download-all-btn{display:flex;align-items:center;gap:6px;padding:8px 16px;background:var(--primary);border:none;border-radius:8px;color:#fff;font-size:.875rem;font-weight:500;cursor:pointer;transition:var(--transition)}.download-all-btn:hover{background:var(--primary-dark)}.download-all-btn svg{width:16px;height:16px}.footer{text-align:center;padding:24px;color:var(--text-muted)}.footer,.toast{font-size:.875rem}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(100px);padding:12px 24px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);color:var(--text-primary);box-shadow:var(--shadow-lg);opacity:0;transition:all .3s ease;z-index:1000}.toast.show{transform:translateX(-50%) translateY(0);opacity:1}.toast.success{border-color:var(--success);color:var(--success)}.toast.error{border-color:var(--error);color:var(--error)}.card-actions{gap:8px}.ai-btn,.card-actions{display:flex;align-items:center}.ai-btn{gap:6px;padding:8px 16px;background:linear-gradient(135deg,#8b5cf6,#7c3aed);border:none;border-radius:8px;color:#fff;font-size:.875rem;font-weight:500;cursor:pointer;transition:var(--transition)}.ai-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 16px rgba(139,92,246,.4)}.ai-btn:disabled{opacity:.7;cursor:not-allowed}.ai-btn svg{width:16px;height:16px}.ai-btn-loading{display:flex;align-items:center;gap:6px}.ai-result-section{margin-top:24px;background:linear-gradient(135deg,rgba(139,92,246,.1),rgba(124,58,237,.05));border:1px solid rgba(139,92,246,.3);border-radius:var(--radius-lg);padding:20px;animation:fadeIn .4s ease}.ai-result-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid rgba(139,92,246,.2)}.ai-result-header h3{font-size:1.1rem;font-weight:600;color:#a78bfa}.close-btn{width:32px;height:32px;padding:6px;background:transparent;border:1px solid var(--border-color);border-radius:6px;color:var(--text-secondary);cursor:pointer;transition:var(--transition)}.close-btn:hover{background:var(--bg-card);color:var(--error);border-color:var(--error)}.close-btn svg{width:100%;height:100%}.ai-result-content{gap:16px}.ai-field,.ai-result-content{display:flex;flex-direction:column}.ai-field{gap:8px}.ai-field label{font-size:.875rem;font-weight:500;color:#a78bfa}.ai-field-row{display:flex;align-items:center;gap:12px}.ai-compare-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:20px;gap:20px}@media (max-width:768px){.ai-compare-grid{grid-template-columns:1fr}}.compare-column{background:var(--bg-card);border-radius:var(--radius);padding:16px;border:1px solid var(--border-color)}.compare-column.original{opacity:.8}.compare-column.new{border-color:rgba(139,92,246,.4);background:linear-gradient(135deg,rgba(139,92,246,.05),transparent)}.compare-header{font-size:.9rem;font-weight:600;color:var(--text-secondary);margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between}.compare-column.new .compare-header{color:#a78bfa;border-color:rgba(139,92,246,.3)}.compare-field{margin-bottom:12px}.compare-field:last-child{margin-bottom:0}.compare-field label{display:flex;align-items:center;gap:8px;font-size:.8rem;font-weight:500;color:var(--text-muted);margin-bottom:6px}.compare-column.new .compare-field label{color:#a78bfa}.compare-text{font-size:1rem;font-weight:500;color:var(--text-primary);line-height:1.5}.compare-content{background:var(--bg-input);border-radius:8px;padding:12px;max-height:200px;overflow-y:auto;white-space:pre-wrap;word-break:break-word;font-size:.875rem;line-height:1.7;color:var(--text-primary)}.compare-content::-webkit-scrollbar{width:4px}.compare-content::-webkit-scrollbar-track{background:transparent}.compare-content::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:2px}.copy-sm{padding:4px 6px}.copy-sm svg{width:12px;height:12px}@media (max-width:640px){.header{padding:32px 16px 24px}.logo-text{font-size:1.4rem}.main{padding:0 16px 32px}.input-wrapper{flex-direction:column}.extract-btn{width:100%}.note-title{font-size:1.25rem}.content-card,.images-card{padding:16px}.image-grid{grid-template-columns:repeat(2,1fr);gap:8px}.card-actions{flex-wrap:wrap}.ai-field-row{flex-direction:column;align-items:flex-start}}